Funding for this research was provided by:
Department of Science and Technology of Liaoning Province (XLYC1807242)
Department of Education of Liaoning Province (LSNJC201914)
Shenyang Agricultural University (20153040)
Article History
Received: 15 October 2019
Revised: 7 February 2020
Accepted: 5 March 2020
First Online: 18 March 2020
Compliance with ethical standards
:
: The authors declare they have no conflicts of interest.
: The authors declare that ethical standards have been followed and that no human participants or animals were involved in this research.